/**
* @private
*/
function getSpamProbability($blogId, $topic, $text, $userName, $userEmail, $userUrl)
{
$tokenizer = new BayesianTokenizer();
$tokensTopic = $tokenizer->addContextMark($tokenizer->tokenize($topic), TOKEN_TOPIC_MARK);
$tokensText = $tokenizer->tokenize($text);
$tokensUserName = $tokenizer->addContextMark($tokenizer->tokenize($userName), TOKEN_USER_NAME_MARK);
$tokensUserEmail = $tokenizer->addContextMark($tokenizer->tokenize($userEmail), TOKEN_USER_EMAIL_MARK);
$tokensUserUrl = $tokenizer->addContextMark($tokenizer->tokenize($userUrl), TOKEN_USER_URL_MARK);
$tokens = array_merge($tokensTopic, $tokensText, $tokensUserName, $tokensUserEmail, $tokensUserUrl);
$significantTokens = BayesianFilter::_getMostSignificantTokens($blogId, $tokens);
return BayesianFilter::_getBayesProbability($significantTokens);
}
